week 7 pt 2 - sexual reproduction and generic bio terms

Question 1

sexual reproduction

Answer 1

process in which two haploid gametes unite in a fertilization event to create a diploid cell called a zygote

Question 2

disadvantages of sexual reproduction

Answer 2

two types of gametes must be made in large numbers
requires special body parts 😏
two sexes must find each other a courtship can use energy

Question 3

what are life cycles?

Answer 3

sequences of events that produce another generation of organisms

Question 4

diploid dominant species

Answer 4

includes most species of animals
multicellular organism is diploid
produces specialized haploid cells (gametes) in the reproductive system

Question 5

haploid dominant species

Answer 5

includes many fungi and some protists
multicellular organism is haploid
haploid cells unite to form diploid zygote, which undergoes meiosis immediately to make four haploid spores

Question 6

diploid

Answer 6

two complete sets of chromosomes present in an organism’s cells

Question 7

haploid

Answer 7

only one single set of chromosomes in an organism’s cells